Home / 880,975,047.92-1,321,179,663.72-290,632,584.56

Finding the Fourth Proportional to 880,975,047.92, 1,321,179,663.72 and 290,632,584.56

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Solution

The fourth proportional to 880,975,047.92, 1,321,179,663.72 and 290,632,584.56 is: 435,855,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,975,047.92 : 1,321,179,663.72 = 290,632,584.56 : x
  2. Step 2: Convert to fraction form
    880,975,047.92/1,321,179,663.72 = 290,632,584.56/x
  3. Step 3: Cross multiply
    880,975,047.92x = 1,321,179,663.72 × 290,632,584.56
  4. Step 4: Simplify right side
    880,975,047.92x = 383,977,860,335,055,296
  5. Step 5: Solve for x
    x = 383,977,860,335,055,296/880,975,047.92
  6. Step 6: Final answer
    x = 435,855,545.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.